| Abbreviation | Definition |
|---|---|
| TCZ | Trident Performance Corp. II |
| TCZ | Trident Performance Corporation Class II |
| TD | The Toronto-Dominion Bank |
| TD | Toronto-Dominion Bank (The) |
| TDG | Trinidad Drilling Ltd. |
| TDR | Tudor Corporation Ltd. |
| TDS | TD Split Inc. |
| TDS | TD Split Incorporated (de-listed) |
| TDS | TD Split Incorporated (de-listed) |
| TEC | Technicoil Corporation |
| TET | Trilogy Energy Corp. |
| TET | Trilogy Energy Corporation |
| TFI | TransForce Inc. |
| TFI | TransForce Incorporated |
| TGA | TransGlobe Apartment Real Estate Investment Trust |
| TGF | Timbercreek Global Real Estate Fund |
| TGL | TransGlobe Energy Corporation |
| TGO | TeraGo Inc. |
| TGO | TeraGo, Incorporated |
| TGS | Tiger Resources Limited |